diff --git a/src/dxvk/dxvk_access.h b/src/dxvk/dxvk_access.h
new file mode 100644
index 00000000..f3bd3c7d
--- /dev/null
+++ b/src/dxvk/dxvk_access.h
@@ -0,0 +1,18 @@
+#pragma once
+
+#include "../util/util_flags.h"
+
+namespace dxvk {
+
+  /**
+   * \brief Resource access flags
+   */
+  enum class DxvkAccess : uint32_t {
+    None    = 0,
+    Read    = 1,
+    Write   = 2,
+  };
+
+  using DxvkAccessFlags = Flags<DxvkAccess>;
+
+}
diff --git a/src/dxvk/dxvk_memory.h b/src/dxvk/dxvk_memory.h
index 3345ddf3..c785e4b0 100644
--- a/src/dxvk/dxvk_memory.h
+++ b/src/dxvk/dxvk_memory.h
@@ -2,6 +2,7 @@
 
 #include <memory>
 
+#include "dxvk_access.h"
 #include "dxvk_adapter.h"
 #include "dxvk_allocator.h"
 #include "dxvk_hash.h"
@@ -15,18 +16,6 @@ namespace dxvk {
   class DxvkSparsePageTable;
   class DxvkSharedAllocationCache;
 
-  /**
-   * \brief Resource access flags
-   */
-  enum class DxvkAccess : uint32_t {
-    None    = 0,
-    Read    = 1,
-    Write   = 2,
-  };
-
-  using DxvkAccessFlags = Flags<DxvkAccess>;
-
-
   /**
    * \brief Memory stats
    * 
diff --git a/src/util/util_bit.h b/src/util/util_bit.h
index 10d6e79b..9ee38816 100644
--- a/src/util/util_bit.h
+++ b/src/util/util_bit.h
@@ -30,6 +30,7 @@
 #include "util_likely.h"
 #include "util_math.h"
 
+#include <cstddef>
 #include <cstdint>
 #include <cstring>
 #include <iterator>